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Conduct daytime visual line-transect surveys for cetaceans along pre-determined transect lines within the EEZ around the Hawaiian Islands. Search effort was recorded in WinCruz, including information on transect survey speed and 3 direction, viewing conditions, and observer rotation. When cetaceans weresighted, distance and bearing to the initial sighting location were recorded, as well as species code, group size, and behavior. The visual survey was maintained by a team of 6 cetacean observers. Additional sampling was carried out during select sightings, including collection of species identification and individual identification photographs, collection of tissue samples for genetic and other analyses, and deployment of satellite tags.

The Hawaiian Islands Cetacean and Ecosystem Assessment Survey (HICEAS) of 2017 was a large-scale ship survey for cetaceans and seabirds within U.S. waters surrounding the Hawaiian Islands. HICEAS 2017 was the third of its kind using many of the same ...

"Three stocks of false killer whales (Pseudorca crassidens) can be differentiated within the U.S. Exclusive Economic Zone of the Hawaiian Islands (Hawaiian EEZ): an insular main Hawaiian Islands stock, a dispersed pelagic stock, and a newly recognize...